A Connecticut Yankee in King Arthurs Court by Mark Twain Chapter 22 Page 13

section of the wall was gone, exposing a good big fissure.

I almost regretted that my theory about the well’s trouble was correct, because I had another one that had a showy point or two about it for a miracle. I remembered that in America, many centuries later, when an oil well ceased to flow, they used to blast it out with a dynamite torpedo. If I should find this well dry and no explanation of it, I could astonish these people most nobly by having a person of no especial value drop a dynamite bomb into it.

It was my idea to appoint Merlin. However, it was plain that there was no occasion for the bomb. One cannot have everything the way he would like it. A man has no business to be depressed by a disappointment, anyway; he ought to make up his mind to get even.